* The Toronto Stock Exchange's TSX falls 0.62 percent to 17,795.15
* Leading the index were Canopy Growth Corp WEED.TO , up 7.6%, Aphria Inc APHA.TO , up 7.5%, and Ballard Power Systems Inc BLDP.TO , higher by 5.3%.
* Lagging shares were Vermilion Energy Inc VET.TO , down 8.3%, First Quantum Minerals Ltd FM.TO , down 7.4%, and MEG Energy Corp MEG.TO , lower by 7.0%.
* On the TSX 89 issues rose and 127 fell as a 0.7-to-1 ratio favored decliners. There were 17 new highs and no new lows, with total volume of 169.9 million shares.
* The most heavily traded shares by volume were Blackberry (TSX:BB) Ltd BB.TO , Aphria Inc APHA.TO and Cenovus Energy Inc CVE.TO .
* The TSX's energy group .SPTTEN fell 3.28 points, or 3.4%, while the financials sector .SPTTFS climbed 0.20 points, or 0.1%.
* West Texas Intermediate crude futures CLc1 fell 0.49%, or $0.26, to $52.51 a barrel. Brent crude LCOc1 fell 0.11%, or $0.06, to $55.82 O/R
* The TSX is up 2.1% for the year.